About the Number

120421212

120421211 ← → 120421213

2進数表記:111001011010111101101011100

漢数字表記:一億二千四十二万千二百十二

素因数分解:

2 2 × 3 1 × 439 1 × 22859 1

素因数の和:23305
約数の個数: 24
約数和(自身を含む): 281635200
約数和(自身を除く): 161213988

約数列:
[1, 2, 3, 4, 6, 12, 439, 878, 1317, 1756, 2634, 5268, 22859, 45718, 68577, 91436, 137154, 274308, 10035101, 20070202, 30105303, 40140404, 60210606, 120421212]

約数ペア:
[(1, 120421212), (2, 60210606), (3, 40140404), (4, 30105303), (6, 20070202), (12, 10035101), (439, 274308), (878, 137154), (1317, 91436), (1756, 68577), (2634, 45718), (5268, 22859)]

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